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Added a note about controller arguments #9235

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Feb 9, 2018
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Added a note about controller arguments #9235

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6 changes: 6 additions & 0 deletions security/form_login_setup.rst
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Expand Up @@ -157,6 +157,12 @@ Great! Next, add the logic to ``loginAction()`` that displays the login form::
));
}

.. note::

If you get an error that the ``$authUtils`` argument is missing, it's
probably because you need to activate this new feature in Symfony 3.4. See
this :ref:`controller service argument note <controller-service-arguments-tag>`.

Don't let this controller confuse you. As you'll see in a moment, when the
user submits the form, the security system automatically handles the form
submission for you. If the user submits an invalid username or password,
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